Winter Weather — Northeast Suffolk, New York

2024-02-17 · Northeast Suffolk, New York

Event narrative

A general 2 to 4 inches fell across Northeastern Suffolk County as the moderate to heavy band of snow missed just to the southwest. A Cocorahs observer reported 2.8 inches in Riverhead, and the public reported 3.4 inches in Mount Sinai. In Upton the Official NWS Observation came in at 3.0 inches.

Wider weather episode

A mid level disturbance associated with a confluent upper level trough lead to strong mid level frontogenesis that developed a band of snow to the north of developing low pressure moving offshore. Southwestern portions of the area were on the northern edge of a narrow band of heavy snow that resulted in some southwestern zones reaching warning criteria. Amounts were considerably less to the north.

Source: NOAA Storm Events Database, event_id 1152740. Narrative written by the NWS forecast office that issued the report.